ACHME COMPUTER, INC.
MS-5128 (VER. 1.1)
Processor | CX M1/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/180/200MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 512MB (EDO supported) |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | AMI/Award |
Dimensions | 280mm x 220mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 1 | CN1 | Turbo switch | J20 pins 15 - 17 |
Serial port 2 | CN2 | Reset switch | J20 pins 19 & 20 |
Parallel port | CN3 | IDE interface LED | J20 pins 21 & 22 |
Floppy drive interface | CN4 | Chassis fan power | J21 |
IDE interface 2 | CN5 | IR connector | JIR |
IDE interface 1 | CN6 | 32-bit PCI slots | PC1 - PC4 |
USB connector | J8 | PS/2 mouse port | PSM1 |
Power LED & keylock | J20 pins 1 - 5 | PS/2 mouse interface | PSM2 |
Speaker | J20 pins 7 - 10 | Cache slot | SL1 |
Turbo LED | J20 pins 12 & 13 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | JP1 | Unidentified |
» | CMOS memory normal operation | JP8 | Open |
CMOS memory clear | JP8 | Closed | |
» | Factory configured - do not alter | JP10 | Unidentified |
» | Factory configured - do not alter | JS2 | Unidentified |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 1M x 36 | None |
16MB | (2) 1M x 36 | (2) 1M x 36 |
24MB | (2) 1M x 36 | (2) 2M x 36 |
32MB | (2) 4M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 |
40MB | (2) 1M x 36 | (2) 4M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 8M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
80MB | (2) 2M x 36 | (2) 8M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | None | (2) 16M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
136MB | (2) 16M x 36 | (2) 1M x 36 |
144MB | (2) 2M x 36 | (2) 16M x 36 |
160MB | (2) 16M x 36 | (2) 4M x 36 |
192MB | (2) 8M x 36 | (2) 16M x 36 |
256MB | (2) 16M x 36 | (2) 16M x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size | Bank 0 | Bank 1 |
264MB | (2) 1M x 36 | (2) 32M x 36 |
272MB | (2) 2M x 36 | (2) 32M x 36 |
288MB | (2) 4M x 36 | (2) 32M x 36 |
320MB | (2) 8M x 36 | (2) 32M x 36 |
384MB | (2) 16M x 36 | (2) 32M x 36 |
512MB | (2) 32M x 36 | (2) 32M x 36 |
Note: Board accepts EDO memory. Banks are interchangeable. |
CACHE CONFIGURATION | ||
Size | Bank 0 | SL1 |
256KB | (2) 32K x 32 | None |
512KB | (2) 32K x 32 | 256KB module installed |
Note: The size of the TAG chip is unidentified. |
CACHE JUMPER CONFIGURATION | |
Setting | JS1 |
256KB | Open |
512KB | Closed |
CPU SPEED SELECTION (CYRIX) | ||||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
120MHz | 50MHz | 2x | Off | On | Off | Off | On | Off |
133MHz | 55MHz | 2x | Off | On | Off | On | On | On |
150MHz | 60MHz | 2x | Off | On | Off | Off | Off | On |
166MHz | 66MHz | 2x | Off | On | Off | Off | Off | Off |
CPU SPEED SELECTION (AMD) | ||||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
75MHz | 50MHz | 1.5x | Off | Off | Off | Off | On | Off |
90MHz | 60MHz | 1.5x | Off | Off | Off | Off | Off | On |
100MHz | 66MHz | 2x | Off | Off | Off | Off | Off | Off |
120MHz | 60MHz | 2x | Off | On | Off | Off | Off | On |
133MHz | 66MHz | 2x | Off | On | Off | Off | Off | Off |
CPU SPEED SELECTION (INTEL) | ||||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
75MHz | 50MHz | 1.5x | Off | Off | Off | Off | On | Off |
90MHz | 60MHz | 1.5x | Off | Off | Off | Off | Off | On |
100MHz | 66MHz | 1.5x | Off | Off | Off | Off | Off | Off |
120MHz | 60MHz | 2x | Off | On | Off | Off | Off | On |
133MHz | 66MHz | 2x | Off | On | Off | Off | Off | Off |
150MHz | 60MHz | 2.5x | Off | On | On | Off | Off | On |
166MHz | 66MHz | 2.5x | Off | On | On | Off | Off | Off |
180MHz | 60MHz | 3x | Off | Off | On | Off | Off | On |
200MHz | 66MHz | 3x | Off | Off | On | Off | Off | Off |
CPU VOLTAGE SELECTION | |||
Voltage | JV1 | JV2 | JV3 |
2.8v - 2.9v (P55) | Open | 1 & 2, 4 & 5 | Open |
3.3v - 3.45v (STD/VR) | 1 & 2, 3 & 4, 5 & 6 | 3 & 4 | Open |
3.45v - 3.6v (VRE) | 1 & 2, 3 & 4, 5 & 6 | 3 & 4 | Closed |
Note: Pins designated should be in the closed position. |